<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" @submit.native.prevent @keyup.enter.native="handleQuery">
      <el-form-item label="关键字" prop="qKey">
        <el-input
          v-model="queryParams.qKey"
          placeholder="编号或名称"
          clearable
        />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['userConfig:ucArea:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="info"
          plain
          icon="el-icon-sort"
          size="mini"
          @click="toggleExpandAll"
        >展开/折叠</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['userConfig:ucArea:export']"
        >导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table
      v-if="refreshTable"
      v-loading="loading"
      :data="ucAreaList"
      row-key="id"
      :default-expand-all="isExpandAll"
      :tree-props="{children: 'children', hasChildren: 'hasChildren'}"
    >
      <el-table-column prop="name" label="名称"></el-table-column>
      <el-table-column prop="code" label="编码"></el-table-column>
      <el-table-column prop="sequence" label="排序"></el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['userConfig:ucArea:edit']"
          >修改</el-button>
          <el-button
            v-if="scope.row.level<=3"
            size="mini"
            type="text"
            icon="el-icon-plus"
            @click="handleAdd(scope.row)"
            v-hasPermi="['userConfig:ucArea:add']"
          >新增</el-button>
          <el-button
            v-if="!scope.row.children || scope.row.children.length==0"
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['userConfig:ucArea:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <!-- 添加或修改部门对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="600px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px" @keyup.enter.native="submitForm">
        <el-row>
          <el-col :span="24">
            <el-form-item label="上级区划" prop="parentId">
              <treeselect v-model="form.parentId" :options="defaultOptions" :normalizer="normalizer" placeholder="" />
            </el-form-item>
          </el-col>
        </el-row>
        <el-row>
          <el-col :span="12">
            <el-form-item label="区划编号" prop="code">
              <el-input v-model="form.code" placeholder="" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="区划名称" prop="name">
              <el-input v-model="form.name" placeholder="" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="显示排序" prop="sequence">
              <el-input-number v-model="form.sequence" controls-position="right" :min="0" />
            </el-form-item>
          </el-col>
        </el-row>

      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
  import Treeselect from "@riophae/vue-treeselect";
  import "@riophae/vue-treeselect/dist/vue-treeselect.css";

  export default {
    name: "UcArea",
    components: { Treeselect },
    data() {
      return {
        // 遮罩层
        loading: true,
        // 显示搜索条件
        showSearch: true,
        // 表格树数据
        ucAreaList: [],
        // 树选项
        defaultOptions: [],
        // 弹出层标题
        title: "",
        // 是否显示弹出层
        open: false,
        // 是否展开，默认全部展开
        isExpandAll: false,
        // 重新渲染表格状态
        refreshTable: true,
        // 查询参数
        queryParams: {
          qKey:"",
        },
        // 表单参数
        form: {
          id: undefined,
          parentId: undefined,
          name: undefined,
          code: undefined
        },
        // 表单校验
        rules: {
          parentId: [
            { required: true, message: "上级部门不能为空", trigger: "blur" }
          ],
          name: [
            { required: true, message: "名称不能为空", trigger: "blur" }
          ],
          code: [
            { required: true, message: "编号不能为空", trigger: "blur" }
          ],
          sequence: [
            { required: true, message: "显示顺序不能为空", trigger: "blur" }
          ],
        }
      };
    },
    created() {
      this.getList();
    },
    methods: {
      getList() {
        this.loading = true;
        this.request({
          url: '/userConfig/ucArea/list',
          method: 'get',
          params: this.queryParams
        }).then(response => {
          this.ucAreaList = this.handleTreeByLevel(response.data,4);
          this.loading = false;
        });
      },
      getListTree(){
        this.request({
          url: '/userConfig/ucArea/list',
          method: 'get',
        }).then(response => {
          this.defaultOptions = [{ id: 0, name: '主类目', children: this.handleTreeByLevel(response.data,3) }];
        });
      },
      normalizer(node) {
        if (node.children && !node.children.length) {
          delete node.children;
        }
        return {
          id: node.id,
          label: node.name,
          children: node.children
        };
      },
      /** 重置按钮操作 */
      resetQuery() {
        this.resetForm("queryForm");
        this.handleQuery();
      },
      /** 搜索按钮操作 */
      handleQuery() {
        this.getList();
      },
      /** 展开/折叠操作 */
      toggleExpandAll() {
        this.refreshTable = false;
        this.isExpandAll = !this.isExpandAll;
        this.$nextTick(() => {
          this.refreshTable = true;
        });
      },
      // 表单重置
      reset() {
        this.form= {
          id: undefined,
          parentId: undefined,
          name: undefined,
          code: undefined
        }
        this.resetForm("form");
      },
      // 取消按钮
      cancel() {
        this.open = false;
        this.reset();
      },
      /** 新增按钮操作 */
      handleAdd(row) {
        this.reset();
        if (row != undefined) {
          this.form.parentId = row.id;
        }
        this.open = true;
        this.title = "添加区划";
        this.getListTree();
      },
      /** 修改按钮操作 */
      handleUpdate(row) {
        this.reset();
        this.request({
          url: '/userConfig/ucArea/info/' + row.id,
          method: 'get'
        }).then(response => {
          this.form = response.data;
          this.open = true;
          this.title = "修改区划";
          this.getListTree();
        });
      },
      /** 提交按钮 */
      submitForm: function() {
        this.$refs["form"].validate(valid => {
          if (valid) {
            if (!this.form.id) {
              this.request({
                url: '/userConfig/ucArea',
                method: 'post',
                data: this.form
              }).then(response => {
                this.$modal.msgSuccess("新增成功");
                this.open = false;
                this.getList();
              });
            } else {
              this.request({
                url: '/userConfig/ucArea',
                method: 'put',
                data: this.form
              }).then(response => {
                this.$modal.msgSuccess("修改成功");
                this.open = false;
                this.getList();
              });
            }
          }
        });
      },
      /** 删除按钮操作 */
      handleDelete(row) {
        this.$modal.confirm('是否确认删除[' + row.name + ']数据项？').then(() => {
          return this.request({
            url: '/userConfig/ucArea/' + row.id,
            method: 'delete'
          });
        }).then(() => {
          this.getList();
          this.$modal.msgSuccess("删除成功");
        }).catch((err) => {
          console.log(err)
        });
      },
      /** 导出按钮操作 */
      handleExport() {
        this.download('userConfig/ucArea/export', {
          ...this.queryParams
        }, `uc_area_${new Date().getTime()}.xlsx`)
      },
    }
  };
</script>
